This is a heart warming story of a scruffy dog that started following an extreme sports team on a race through the rain forest in Equador.
The team of four adventure racers noticed the dog during a hike, and thought he was hungry, so they gave him a meat ball.
He then followed them on the race course for nearly 700 kilometres over days, even swimming down a river while they kayaked.
They finally took him into one of their kayaks - afraid he might drown - and he followed them to the finish of the race days later.
Their story has gone viral after they posted photos on facebook, and the Swedish team like him so much, they've called him Arthur, and have decided to bring him home.
